package jdbc;

import java.io.IOError;
import java.sql.*;
import java.util.Scanner;

public class JDBCDemo4 {
    public static void main(String[] args)  {
        try (Connection connection = DBUtil.getConnection()){
            Statement statement = connection.createStatement();
            Scanner scanner=new Scanner(System.in);
            System.out.println("请输入用户名");
            String username = scanner.nextLine();
            String sql="delete from userinfo where username='"+username+"'";
            int i = statement.executeUpdate(sql);
            if(i>0){
                System.out.println("删除数据成功");
            }else {
                System.out.println("删除失败");
            }
            connection.close();
        }catch (SQLException e){
            throw new RuntimeException(e);
        };
    }
}
